Comparison of specifications of purified water (EP, ChP&USP)
纯化水质量标准比较
(EP, ChP&USP)
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二O一六年十二月
纯化水质量标准比较(EP, ChP&USP)
1、概述
纯化水是我公司重要的制药用水,不同地区均有相应的药典要求,药典是一个国家记载药品标准、规格
的法典,一般由国家药品监督管理局主持编纂、颁布实施,国际性药典则由公认的国际组织或有关国家协商编订。制定药品标准对加强药品质量的监督管理、保证质量、保障用药安全有效、维护人民健康起着十分重要的作用。制药用水系统的目的之一为“维持制药用水水质在药典要求的可接受范围内”,本文将主要介绍《美国药典》、《欧洲药典》和《中国药典》对制药用水质量的要求。
2、标准比较(ChP2015,EP8,USP38,ICH)
3、检测方法及标准
标准规定检验项目ChP(2015)纯化水纯化水Purified water in bulk (散装,生产出来
就通过管道输送使用的)纯化水Purified water in containers 高纯水纯化水
纯化水(原料
药用于注射
液)
摇匀,将试管于50℃水浴中放置15分钟,溶液产生的蓝色与标准硝酸盐溶液[取硝酸钾0.163g,加水溶解并稀释至100ml,摇匀,精密量取1ml,加水稀释成100ml,再精密量取10ml,加水稀释成100ml,摇匀,即得(每1ml相当于1μgNO3)]0.3ml,加无硝酸盐的水4.7ml,用同一方法处理后的颜色比较,不得更深(0.000 006%)。potassium chloride R, 0.1mL of diphenylamine
solution R and, dropwi with shaking, 5mL of
nitrogen-free sulfuric acid R. Transfer the tube
to a water-bath at 50 °C. After 15 min, any blue
新疆是个好地方colour in the solution is not more inten than
that in a reference solution prepared at the same
time in the same manner using a mixture of
4.5mL of nitrate-free water R and 0.5mL of
nitrate standard solution(2 ppm NO3) R.
取5ml纯化水于放置在冰水上的试管中,加
入0.4ml的100g/L的氯化钾溶液R、0.1ml
的二苯胺溶液R,然后边摇边滴加5ml的无
氮的硫酸R。然后将试管放于50°C的水浴上。
15分钟后,测试溶液的蓝色不得深于的标准
液的按同种方法试验的颜色。标准液是用
4.5ml的无氮水R和0.5ml的标准硝酸盐溶液
R(2ppmNO3)。
of diphenylamine solution R and, dropwi with shaking,
5mL of nitrogen-free sulfuric acid R. Transfer the tube to a
water-bath at 50 °C. After 15 min, any blue colour in the
solution is not more inten than that in a reference solution
prepared at the same time in the same manner using a
mixture of 4.5mL of nitrate-free water R and 0.5mL of
nitrate standard solution(2 ppm NO3) R.
取5ml纯化水于放置在冰水上的试管中,加入0.4ml的
100g/L的氯化钾溶液R、0.1ml的二苯胺溶液R,然后
边摇边滴加5ml的无氮的硫酸R。然后将试管放于50°C
的水浴上。15分钟后,测试溶液的蓝色不得深于的标准
液的按同种方法试验的颜色。标准液是用4.5ml的无氮
家常炒饼水R和0.5ml的标准硝酸盐溶液R(2ppmNO3)。
chloride R, 0.1mL of diphenylamine solution R
and, dropwi with shaking, 5mL of nitrogen-free
sulfuric acid R. Transfer the tube to a water-bath at
50 °C. After 15 min, any blue colour in the solution
is not more inten than that in a reference solution
prepared at the same time in the same manner using
a mixture of 4.5mL of nitrate-free water R and浪漫语句
0.5mL of nitrate standard solution(2 ppm NO3) R.
取5ml纯化水于放置在冰水上的试管中,加入
0.4ml的100g/L的氯化钾溶液R、0.1ml的二苯
胺溶液R,然后边摇边滴加5ml的无氮的硫酸R。
然后将试管放于50°C的水浴上。15分钟后,测
试溶液的蓝色不得深于的标准液的按同种方法
试验的颜色。标准液是用4.5ml的无氮水R和
0.5ml的标准硝酸盐溶液R(2ppmNO3)。
亚硝酸盐取纯化水10ml,置纳氏管中,加对氨基苯
磺酰胺的稀盐酸溶液(1→100)1ml及盐酸
气上冲萘乙二胺溶液(0.1→100)1ml,产生的粉红
色,与标准亚硝酸盐溶液[取亚硝酸钠
0.750g(按干燥品计算),加水溶解,稀释至
100ml,摇匀,精密量取1ml,加水稀释成
100ml,摇匀,再精密量取1ml,加水稀释
成50ml,摇匀,即得(每1ml相当于
1μgNO2))0.2ml,加无亚硝酸盐的水9.8ml,
用同一方法处理后的颜色比较,不得更深
(0.000 002%)。
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氨取纯化水50ml,加碱性碘化汞钾试液2ml,
放置15分钟;如显色,与氯化铵溶液(取
氯化铵31.5mg,加无氨水适量使溶解并稀
释成1000ml)1.5ml,加无氨水48ml与碱性
碘化汞钾试液2ml制成的对照液比较,不
得更深(0.000 03%)。
/
NMT0.2ppm To 20 mL add 1 mL of alkaline potassium
tetraiodomercurate solution R. After 5 min, examine the
solution down the vertical axis of the tube. The solution is
not more intenly coloured than a standard prepared at the
same time by adding 1 mL of alkaline potassium
tetraiodomercurate solution R to a mixture of 4 mL of
ammonium standard solution (1 ppm NH4) R and
16 mL of ammonium-free water R. 取20ml纯化水,加
1ml碱性碘化汞钾溶液R,5min后,从上到下(垂直)
查看样品溶液颜色应不得比同时配制的标准氨溶液更
浓。(标准氨溶液:4ml氨标准溶液(1ppmNH4)加16ml
无氨水混合,加1ml碱性碘化汞钾溶液R)
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标准规定检验项目ChP(2015)纯化水纯化水Purified water in bulk (散装,生产出来
就通过管道输送使用的)纯化水Purified water in containers 高纯水纯化水
纯化水(原料
药用于注射
液)
氯化物/ —To 10 mL add 1 mL of dilute nitric acid R and 0.2 mL of
silver nitrate solution R2. The solution shows no change in
appearance for at least 15 min. 取10ml纯化水加1ml稀硝
酸R和0.2ml硝酸银溶液R2.溶液应该在至少15min没
有变化
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硫酸盐/ —To 10mL add 0.1mL of dilute hydrochloric acid R and 0.1
mL of barium chloride solution R1. The solution shows no
change in appearance for at least 1 h. 取10ml纯化水加
0.11ml稀盐酸R和0.1ml硝氯化钡溶液R1.溶液应该在
至少1h没有变化
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/
钙和镁/ —To100mL add 2mLof ammonium chloride buffer solution
pH 10.0 R, 50 mg of mordant black 11 triturate R and 0.5
mL of 0.01 M sodium edetate. A pure blue colour is
produced. 取100ml纯化水,加2ml氯化铵缓冲液
(pH10.0)R,50ml铬兰黑11(媒介黑11)滴定液R
和0.5ml0.01M依地酸钠,出现蓝紫色。
/ /
易氧化物取纯化水100ml,加稀硫酸10ml,煮沸后,
加高锰酸钾滴定液(0.02mol/L)0.10ml,再
煮沸10分钟,粉红色不得完全消失。
To 100mL add 10mL of dilute sulfuric acid R
and 0.1 mL of 0.02 M potassium permanganate
and boil for 5 min. The solution remains faintly
pink.取10ml的稀硫酸R和0.02M的高锰酸
钾0.1ml至100ml的水中,煮沸5分钟,溶
液保持淡粉红色。
To 100mL add 10mL of dilute sulfuric acid R and 0.1 mL
of 0.02 M potassium permanganate and boil for 5 min. The
solution remains faintly pink.取10ml的稀硫酸R和0.02M
的高锰酸钾0.1ml至100ml的水中,煮沸5分钟,溶液
上下的成语保持淡粉红色。
/
/
不挥发物/蒸发残渣取纯化水100ml,置105℃恒重的蒸发皿
中,在水浴上蒸干,并在105℃干燥至恒
重,遗留残渣不得过1mg。
元宵节传说故事—
Maximum 0.001 per cent.
Evaporate 100 mL to dryness on a water-bath and dry in an
oven at 100-105 °C. The residue weighs a maximum of 1
mg. 去纯化水100ml,置100-105℃恒重的蒸发皿中,在
水浴上蒸干,并在105℃干燥至恒重,遗留残渣不得过
班主任技能大赛1mg。
/
/ /
重金属取纯化水100ml,加水19ml,蒸发至20ml,
放冷,加醋酸盐缓冲液(pH3.5)2ml与水适
量使成25ml,加硫代乙酰胺试液2ml,摇
匀,放置2分钟,与标准铅溶液1.0ml加
水19ml用同一方法处理后的颜色比较,不
得更深(0.000 01%)。
Maximum 0.1 ppm.
(If purified water in bulk complies with the
requirement for conductivity prescribed for
Water for injections (0169) in bulk , it is not
necessary to carry out the test for heavy metals
prescribed below)
To 200mL add 0.15mL of 0.1 M nitric acid and
忘乎所以heat in a glass evaporating dish on a water-bath
until the volume is reduced to 20mL. 12mL of
the concentrated solution complies with test A.
Prepare the reference solution using 10mL of
lead standard solution (1 ppm Pb) R and adding
Maximum 0.1 ppm.
(If purified water in bulk complies with the
requirement for conductivity prescribed for Water for
injections (0169) in bulk , it is not necessary to carry out
the test for heavy metals prescribed below)
To 200mL add 0.15mL of 0.1 M nitric acid and heat in a
glass evaporating dish on a water-bath until the volume is
reduced to 20mL. 12mL of the concentrated solution
complies with test A.
Prepare the reference solution using 10mL of lead standard
solution (1 ppm Pb) R and adding 0.075mL of 0.1 M nitric
acid. Prepare the blank solution adding 0.075mL of 0.1 M
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